//左侧二级分类
export interface CategoryCData{
    cat_icon:string,
    cat_id:number
    cat_name:string
    cat_pid:number
}
//右侧一级分类
export interface CategoryBData{
    cat_id: number, 
    cat_pid: number, 
    cat_name: string,
    children:Array<CategoryCData>
}
//左侧一级分类
export interface CategoryAData{
    cat_id:number
    cat_name:string
    children:Array<CategoryBData>
}